SmarTrunk Systems ST-9116C Manuals

SmarTrunk Systems ST-9116C Manuals

Manuals and User Guides for SmarTrunk Systems ST-9116C. We have 1 SmarTrunk Systems ST-9116C manual available for free PDF download: Service Manual

SmarTrunk Systems ST-9116C Service Manual

SmarTrunk Systems ST-9116C Service Manual (67 pages)

UHF FM DIGITAL REPEATER

Brand: SmarTrunk Systems | Category: Repeater | Size: 6 MB

Table of Contents

Table of Contents
2
1 Specifications

5
2 St-9116 Exploded View

6
3 St-9116C Simplified Diagram

7
4 St-9116C Rf Description

8
- Circuit Configuration
  8
- Receiver System
  8
- Front-End Rf Receiver
  8
- Analog Audio Processing
  8
- Virtual Squelch Circuit
  9
- Virtual Volume Control
  9
- Sub Audio Signaling
  9
- Analog Audible Signaling
  9
- Digital Audio Processing
  10
- Transmitter System
  10
- Analog Tx Signal from External MIC
  10
- Analog Repeater Loop
  11
- Digital Tx Audio from External MIC
  11
- Repeater Digital Tx Audio
  12
- Drive and Final Amplifier Stages
  12
- Automatic Transmit Power Control
  13
5 St-9116 Alignment

14
6 Complimentary User Alignment

34
- Temperature Control
  34
- Fan Control
  34
7 St-9116C Main Board Schematic

37
8 St-9116 Front Board Schematic

38
9 Component Locator

39
- St-9116 Component Locator (Top Layer)
  39
- St-9116C Component Locator (Bottom Layer)
  40
10 Main Pcb Layout

41
- Main Pcb - Top Layer
  41
- Main Pcb - Bottom Layer
  42
- Main Pcb - Power Layer
  43
- Main Pcb - Ground Layer
  44
11 St-9116 Front Board Component Locator

45
12 St-9116 Front Board Layout

46
13 St-9116 Bom

47
- St-9116C Main Pcb Bom
  47
- St-9116C Front Panel Assembly Bom
  61
14 External Connections

62
- Accessory Port
  63
- Usb: Usb 2.0 Compliance
  63
- External MIC Connector Pin out
  64
- Sd Card Socket
  65
15 List of Figures

66

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